Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh ve se snippets" » "hanh vi se snippets", "hanh va se snippets", "hanh kem se snippets", "hanh ve su snippets", "hanh ve ke snippets", "hanh ve so 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: (((("hanh ve se snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh ve se snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh ve se snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh ve se snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.