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