Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang luat du snippets" » "tang luat code snippets", "tang luan du snippets", "nang suat du snippets", "hang luan du snippets", "tang luat dau snippets", "tang luat su snippets", "tang 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: (((("python using java snippets") or ("tang luat du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tang luat du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tang luat du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tang luat du snippets"))) or ("locating bug core snippets"))*.