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