Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pho dong cac snippets" » "pho dong code snippets", "pho uong cac snippets", "pho thong cac snippets", "phan dong cac snippets", "pho duong cac snippets", "pho dong bac snippets", "pho dung cac 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: (((("pho dong cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho dong cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pho dong cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho dong cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.