Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoi can tap snippets" » "khoa can tap snippets", "khoi nang tap snippets", "hoc can tap snippets", "khoi han tap snippets", "khoi con tap snippets", "khoi cac tap 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: (((("khoi can tap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi can tap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi can tap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can tap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.