Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham lai cac snippets" » "pham lan cac snippets", "cham mat cac snippets", "cham va cac snippets", "cham tai cac snippets", "cham li cac snippets", "cham lai cam 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 lai 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: (((("cham lai cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham lai cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham lai cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.