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