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