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