Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho xu le snippets" » "chao xu le snippets", "choi xu le snippets", "cho xa le snippets", "cho xu ly snippets", "cho xu li snippets", "cho vu le 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: (((("cho xu le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho xu le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho xu le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho xu le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.