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