Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoang le snippets" » "thai hoang le snippets", "thi hong le snippets", "thi hang le snippets", "thi hoang de snippets", "thi hoang lam 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: (((("thi hoang le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hoang le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoang le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoang le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.