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