Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang dan mo snippets" » "hoang dan code snippets", "hoang dang mo snippets", "hoang van mo snippets", "hoang san mo snippets", "hoang dan mon snippets", "hoang dan so snippets", "hoang fan mo 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: (((("hoang dan mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang dan mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoang dan mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang dan mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.