Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tranh lam du snippets" » "tranh lam code snippets", "thanh lam du snippets", "trinh lam du snippets", "tran lam du snippets", "tranh lam dau snippets", "tranh lap du snippets", "tranh la du 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 ("tranh lam 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 ("tranh lam du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tranh lam du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tranh lam du snippets"))) or ("locating bug core snippets"))*.