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