Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van dung mo snippets" » "van dung code snippets", "van dong mo snippets", "xay dung mo snippets", "tin dung mo snippets", "van dung co snippets", "van dung cho snippets", "van dung von 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: (((("van dung 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: (((("van dung mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van dung mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dung mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.