Perhaps you should try some spelling variations:
"cong trieu code snippets" » "dong trieu code snippets", "uong trieu code snippets", "hoang trieu code snippets", "cong trieu core snippets"
"hang java java slippers" » "hang va java slippers", "hang java java slippery", "hang java java grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("cong trieu code snippets") or ("hang java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong trieu code snippets") OR ("hang java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong trieu code snippets ) or ( hang java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong trieu code snippets") or ("hang java java slippers"))) or ("locating bug code snippets"))*.