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