Perhaps you should try some spelling variations:
"hoi cac cham snippets" » "hoi cac code snippets", "hoi cac chat snippets", "hoi ca cham snippets", "hoi cac cam snippets", "hoc cac cham snippets", "voi cac cham snippets", "hoa cac cham snippets"
"locating bug core snippets" » "locating bug code 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 ("hoi cac cham snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoi cac cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoi cac cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoi cac cham snippets"))) or ("locating bug core snippets"))*.