Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham hoa doi snippets" » "chat hoa doi snippets", "pham hoa doi snippets", "cam hoa doi snippets", "cham hoa dai snippets", "cham hoc doi snippets", "cham xoa doi 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: (((("cham hoa doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham hoa doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham hoa doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham hoa doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.