Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"man tinh so snippets" » "may tinh so snippets", "ban tinh so snippets", "quan tinh so snippets", "man tinh son snippets", "man tinh soc snippets", "man 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: (((("man 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: (((("man tinh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( man tinh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("man tinh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.