Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu minh vong snippets" » "tu minh vuong snippets", "tu minh cong snippets", "tu minh dong snippets", "thu minh vong snippets", "vu minh vong snippets", "thi minh vong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("tu minh vong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu minh vong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu minh vong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu minh vong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.