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