Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong tai du snippets" » "dong tai du snippets", "mong cai du snippets", "cong tai du snippets", "mong tai tu snippets", "mong tri du snippets", "mong tai su 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: (((("mong tai du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong tai du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong tai du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong tai du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.