Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu lanh voi snippets" » "thu canh voi snippets", "thi lanh voi snippets", "thu anh voi snippets", "thu hanh voi snippets", "thu hanh vi snippets", "thu lanh hai 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: (((("thu lanh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu lanh voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu lanh voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu lanh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.