Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"nang may cong snippets" » "mang may cong snippets", "nang ma cong snippets", "bang may cong snippets", "nang cay cong snippets", "nang cac cong snippets", "nang cao 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: (((("nang may 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: (((("nang may cong snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang may cong snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang may cong snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.