Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thien le snippets" » "thi hien le snippets", "thi chien le snippets", "thua thien le snippets", "thi thien ke snippets", "thi thien he snippets", "thi nhien le 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 thien 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 thien le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thien le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thien le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.