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