Perhaps you should try some spelling variations:
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, ky trong
ma hoi » mai hoi, xa hoi, ma hoa
ve dat » de dat, va dat, ve dao
vu ban » tu ban, va ban
nuoc » quoc, duoc, ngoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ban ((ky tang) or (kho tang)) ma hoi. hieu ve dat nuoc va ((hanh di) OR (hanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ban ((ky tang) OR (kho tang)) ma hoi. hieu ve dat nuoc va ((hanh di) OR (hanh de)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ban ((ky tang) or (kho tang)) ma hoi. hieu ve dat nuoc va ((hanh di) OR (hanh de)) cua tre*".