Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan ven cua snippets" » "dan ven code snippets", "dan vien cua snippets", "dan den cua snippets", "dan ve cua snippets", "dan gen cua snippets", "dan ben cua snippets", "dan men cua 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: (((("dan ven cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ven cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan ven cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ven cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.