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