Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuoc tu doi snippets" » "thuoc tu code snippets", "thuoc tru doi snippets", "thuoc tai doi snippets", "thuoc cuc doi snippets", "thuoc tu do snippets", "thuoc te doi snippets", "thuoc tu di 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: (((("thuoc tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc tu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuoc tu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.