Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi hoan so snippets" » "thi hoan code snippets", "thi hoa so snippets", "thi hanh so snippets", "thi hong so snippets", "thi khoan so snippets", "thi hon so snippets", "thi hoang son 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 hoan so 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 hoan so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi hoan so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoan so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.