Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dai tu doi snippets" » "dai tu code snippets", "dai thu doi snippets", "tai tu doi snippets", "mai tu doi snippets", "dai tu do snippets", "dai te doi snippets", "dai 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: (((("dai 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: (((("dai tu doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dai tu doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai tu doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.