Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan luat do snippets" » "phan luat code snippets", "phap luat do snippets", "phan xuat do snippets", "phan lap do snippets", "phan luat so snippets", "phan luat du snippets", "phan luat da 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 luat do 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 luat do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan luat do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan luat do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.