Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buoc vu cua snippets" » "luoc vu cua snippets", "buoc dau cua snippets", "buoc vao cua snippets", "buoc hu cua snippets", "buoc tu cua 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: (((("buoc vu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buoc vu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc vu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc vu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.