Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi van can snippets" » "thi van code snippets", "thi lan can snippets", "thi hanh can snippets", "thi nang can snippets", "thi van canh snippets", "thi van ban snippets", "thi ban can 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 van can 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 van can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi van can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi van can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.