Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong mon cau snippets" » "dong mon code snippets", "dong von cau snippets", "dong son cau snippets", "dong co cau snippets", "dong mon chu snippets", "dong toan cau snippets", "dong cong cau 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: (((("dong mon 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: (((("dong mon cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong mon cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong mon cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.