Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho chu do snippets" » "theo chu do snippets", "cho chu do snippets", "ho chu do snippets", "tho cau do snippets", "tho khu do snippets", "tho chu de 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: (((("tho chu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho chu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho chu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho chu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.