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