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