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