Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh so dk snippets" » "nhanh soc dk snippets", "nhanh song dk snippets", "thanh son dk snippets", "nhanh so du snippets", "nhanh so 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: (((("nhanh so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh so dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh so dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.