Perhaps you should try some spelling variations:
"kho mu cham snippets" » "kho mu code snippets", "kho tu cham snippets", "kho vu cham snippets", "kho qua cham snippets", "khoa mu cham snippets", "khao mu cham snippets", "khoi mu 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: (((("kho mu cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho mu cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kho mu cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho mu cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.