Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"sang che cong snippets" » "sang cho cong snippets", "han che cong snippets", "hang cho cong snippets", "sang chi cong snippets", "sang he 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: (((("sang che 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: (((("sang che cong snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang che cong snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang che cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.