Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giet ban cau snippets" » "viet bang cau snippets", "giup ban cau snippets", "viec ban cau snippets", "giet bang cau snippets", "giet ban can snippets", "giet van cau 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: (((("giet ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giet ban cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giet ban cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giet ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.