Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi kinh ve snippets" » "chi minh ve snippets", "chi binh ve snippets", "che kinh ve snippets", "chi kinh te snippets", "chi dinh ve 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: (((("chi kinh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi kinh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi kinh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi kinh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.