Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc luat du snippets" » "hoc luat code snippets", "hoc luan du snippets", "hoc thuat du snippets", "bo luat du snippets", "hoc luat dau snippets", "hoc luat su snippets", "hoc luat tu 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: (((("hoc luat 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: (((("hoc luat du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc luat du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc luat du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.