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