Perhaps you should try some spelling variations:
"trong trinh thi snippets" » "trong tinh thi snippets", "trang trinh thi snippets", "trong thinh thi snippets", "trong trinh tai snippets", "trong trinh thiet snippets", "trong trinh tu snippets"
"hang java java slippers" » "hang va java slippers", "hang java java slippery", "hang java java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hang java java slippers") or ("trong trinh thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java slippers") OR ("trong trinh thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang java java slippers ) or ( trong trinh thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java slippers") or ("trong trinh thi snippets"))) or ("locating bug code snippets"))*.