Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gom hanh cua snippets" » "gom sanh cua snippets", "gioi hanh cua snippets", "gon thanh cua snippets", "gom manh cua snippets", "gom hang cua snippets", "gom hanh sua 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: (((("gom hanh 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: (((("gom hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gom hanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gom hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.