Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi lieu che snippets" » "ho lieu che snippets", "hoi hieu che snippets", "hoi tieu che snippets", "hoi dieu che snippets", "hoi lieu nhe snippets", "hoi lieu chiu 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: (((("hoi lieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi lieu che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi lieu che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi lieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.