Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong von cha snippets" » "dong von code snippets", "dung von cha snippets", "dong co cha snippets", "dong hoc cha snippets", "dong von nha snippets", "dong von cua snippets", "dong von ha 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 von cha 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 von cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong von cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong von cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.