Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van phat de snippets" » "van phat code snippets", "va phat de snippets", "van chat de snippets", "van phan de snippets", "van nhat de snippets", "van hat de snippets", "van phat dien 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 phat de 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 phat de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van phat de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van phat de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.