Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham bi hoc snippets" » "cham binh hoc snippets", "cham hoi hoc snippets", "cham lai hoc snippets", "cham bai hoc snippets", "cham li hoc snippets", "cham vi hoc 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 bi hoc 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 bi hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham bi hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham bi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.