Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham mot doi snippets" » "cham mat doi snippets", "cham soc doi snippets", "cua mot doi snippets", "cham moi doi snippets", "cham hoat doi snippets", "cham mong 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 mot 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 mot doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham mot doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham mot doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.