Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"sinh hoc cong snippets" » "sinh hoc co snippets", "sinh cac cong snippets", "sinh hoc dung snippets", "dinh hoc cong snippets", "minh hoc cong snippets", "kinh hoc cong snippets"
"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: (((("sinh hoc cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh hoc cong snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh hoc cong snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh hoc cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.