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