Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dai van du snippets" » "dai van code snippets", "dao van du snippets", "dai han du snippets", "dai va du snippets", "dai van duy snippets", "dai van dau snippets", "dai van de 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: (((("dai van 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: (((("dai van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dai van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.