Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gom dong cac snippets" » "ngoc dong cac snippets", "gioi dong cac snippets", "hop dong cac snippets", "gom duong cac snippets", "gom dong bac snippets", "gom dung cac 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 dong cac 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 dong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gom dong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gom dong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.