Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phna dan cua snippets" » "phna dan code snippets", "hoa dan cua snippets", "chua dan cua snippets", "nha dan cua snippets", "phna dan ca snippets", "phna ban cua snippets", "phna dai 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: (((("phna dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phna dan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phna dan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phna dan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.