Perhaps you should try some spelling variations:
ky trong » ly trong, ke trong, cay trong
kho tang » cao tang
hieu ve » hieu va, hieu van
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
vu sang » vua sang, vu dang, vu san
ma hoi » mai hoi, xa hoi, ma hoa
ve dat » de dat, va dat, ve dao
di cua » dai cua, de cua, do cua
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 sang ((ky trong) or (kho tang)) ma hoi. hieu ve dat nuoc va hanh ((di cua) OR (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sang ((ky trong) OR (kho tang)) ma hoi. hieu ve dat nuoc va hanh ((di cua) OR (doi cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sang ((ky trong) or (kho tang)) ma hoi. hieu ve dat nuoc va hanh ((di cua) OR (doi cua)) tre*".