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