Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi nuoc dai snippets" » "hoc nuoc dai snippets", "roi nuoc dai snippets", "thon nuoc dai snippets", "hoi nuoc tai snippets", "hoi luoc dai snippets", "hoi duoc dai 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: (((("hoi nuoc dai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi nuoc dai snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi nuoc dai snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi nuoc dai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.