Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"don pha cau snippets" » "don pha code snippets", "dong pha cau snippets", "dot pha cau snippets", "don ha cau snippets", "don phan cau snippets", "don phap cau snippets", "don 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: (((("don 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: (((("don pha cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( don pha cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don pha cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.