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