Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"choi tu doi snippets" » "choi tu code snippets", "hoi tu doi snippets", "cho tu doi snippets", "chon tu doi snippets", "choi tu do snippets", "choi te doi snippets", "choi tu di 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: (((("choi tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi tu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( choi tu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.