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