Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi luan tot snippets" » "thi luan code snippets", "thi lan tot snippets", "thi xuan tot snippets", "thi loan tot snippets", "thi luan ket snippets", "thi luan thi snippets", "thi luan von 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 ("thi luan tot snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi luan tot snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi luan tot snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi luan tot snippets"))) or ("locating bug core snippets"))*.