Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duoc tra cuu snippets" » "duoc tra code snippets", "duoc thao cuu snippets", "duoc tren cuu snippets", "duoc ma cuu snippets", "duoc tra cau snippets", "duoc trau cua snippets", "duoc trua cua 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: (((("duoc tra cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc tra cuu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duoc tra cuu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc tra cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.