Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong bac cam snippets" » "dong bang cam snippets", "dong luc cam snippets", "dong hoc cam snippets", "dong bay cam snippets", "dong bac am snippets", "dong bac can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 bac cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong bac cam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong bac cam snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong bac cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.