Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu gian tre snippets" » "thu gan tre snippets", "thoi gian tre snippets", "thue giao tre snippets", "thu gian tren snippets", "thu gian tra snippets", "thu gian tru 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: (((("thu gian tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu gian tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu gian tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu gian tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.