Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nham sat che snippets" » "nham mat che snippets", "nham san che snippets", "nham phat che snippets", "nham sach che snippets", "nham sang che snippets", "nham hat cheo 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: (((("nham sat 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: (((("nham sat che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nham sat che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nham sat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.