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