Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap mon du snippets" » "phap mon code snippets", "nhap mon du snippets", "phap mo du snippets", "phap moi du snippets", "phap mong du snippets", "phap mon tu snippets", "phap ton 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: (((("phap mon 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: (((("phap mon du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phap mon du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap mon du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.