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