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