Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"chao xu tu snippets" » "chao su tu snippets", "chao tu tu snippets", "chao vu tu snippets", "cho xu tu snippets", "cao xu tu snippets", "chat xu tu snippets", "chao xu tu slippers"

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: (((("chao xu tu snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao xu tu snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( chao xu tu snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao xu tu snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.