Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao van vo snippets" » "thao van vo snippets", "tao va vo snippets", "dao van vo snippets", "tao van von snippets", "tao van vu snippets", "tao van do 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: (((("tao van vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao van vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao van vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao van vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.