Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan phap du snippets" » "phan phap code snippets", "pham phap du snippets", "phan phat du snippets", "han phap du snippets", "phan phap dau snippets", "phan phap tu snippets", "phan pha du 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: (((("phan phap du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan phap du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan phap du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan phap du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.