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