Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ca nguoi cua snippets" » "ca nguoi qua snippets", "ca nguoi xua snippets", "ca nguon cua snippets", "cua nguoi cua snippets", "va nguoi cua snippets", "cho nguoi cua 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: (((("ca nguoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca nguoi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ca nguoi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca nguoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.