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