Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhung di lam snippets" » "nhung doi lam snippets", "nhung bi lam snippets", "nhung gi lam snippets", "nhung da lam snippets", "nhung si lam snippets", "nhung de lam 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: (((("nhung di lam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung di lam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhung di lam snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung di lam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.