Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi doan hoi snippets" » "thi doan code snippets", "thai doan hoi snippets", "thi hoan hoi snippets", "thi loan hoi snippets", "thi doan hai snippets", "thi dan hoi snippets", "thi khoan hoi snippets"
"python using java snippets" » "python using data 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 doan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi doan hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi doan hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi doan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.