Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi lan von snippets" » "thi lan code snippets", "thi hanh von snippets", "thi nang von snippets", "thi lien von snippets", "thi luan von snippets", "thi van von snippets", "thi lan van 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: (((("thi lan von snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi lan von snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi lan von snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lan von snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.