Perhaps you should try some spelling variations:
hang hai » hoang hai, hang tai, thanh hai
va hang » van hang, va nang, va lang
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang x hoi. hieu ((ve cam) or (va cam)) tuc va hang hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang x hoi. hieu ((ve cam) OR (va cam)) tuc va hang hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang x hoi. hieu ((ve cam) or (va cam)) tuc va hang hai cua tre*.