Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van cac cam snippets" » "van hac cam snippets", "van cau cam snippets", "van bac cam snippets", "van cad cam snippets", "van cac cap snippets", "van cac cau 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: (((("python using java snippets") or ("van cac cam snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van cac cam snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van cac cam snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van cac cam snippets"))) or ("locating bug code snippets"))*.