Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan hanh ve snippets" » "tan thanh ve snippets", "tang hanh ve snippets", "toan hanh ve snippets", "tan hanh vi snippets", "tan hanh va snippets", "tan hanh kem 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: (((("tan hanh 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: (((("tan hanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan hanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.