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