Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham tham du snippets" » "thuat tham du snippets", "tham khao du snippets", "tam than du snippets", "tham thap du snippets", "tham tham do snippets", "tham pham duc 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: (((("tham tham du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham tham du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham tham du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham tham du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.