Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha che cong snippets" » "pha che code snippets", "pha cho cong snippets", "pha chi cong snippets", "pha he cong snippets", "phap che cong snippets", "phan che cong snippets", "pham chi cong 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: (((("pha che cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha che cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha che cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha che cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.