Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai ca cham snippets" » "khai cac cham snippets", "thai cua cham snippets", "khai pha cham snippets", "khai cau cham snippets", "khai va cham snippets", "khai co cham 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: (((("khai ca 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: (((("khai ca cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai ca cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.