Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pho phan cua snippets" » "pho phan code snippets", "phoi phan cua snippets", "cho phan cua snippets", "phe phan cua snippets", "pho nhan cua snippets", "pho than cua snippets", "pho phat cua 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: (((("python using java snippets") or ("pho phan cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pho phan cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( pho phan cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("pho phan cua snippets"))) or ("locating bug core snippets"))*.