Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lan trinh vi snippets" » "lap trinh vi snippets", "dan trinh vi snippets", "lan tranh vi snippets", "lan trinh va snippets", "lan trinh ve snippets", "lan trinh viet 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: (((("lan trinh vi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan trinh vi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lan trinh vi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan trinh vi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.