Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong minh ve snippets" » "cong vinh ve snippets", "cong tinh ve snippets", "song minh ve snippets", "cong dinh ve snippets", "cong minh va snippets", "cong kinh 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: (((("cong minh 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: (((("cong minh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong minh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong minh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.