Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tho trinh da snippets" » "tho trinh code snippets", "tho tinh da snippets", "tao trinh da snippets", "thi trinh da snippets", "tho trinh dan snippets", "tho trinh dao snippets", "tho trinh do 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: (((("tho trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho trinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tho trinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.