Perhaps you should try some spelling variations:
tang lai » trang lai, tang tai, tang loi
hieu vu » hieu va, hieu ve, hieu su
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
ky tang » ky nang, ky dang, kho tang
lai hoi » dai hoi, lai hoa, lai roi
vu chao » vu cao, vu cham, vu chat
de cua » le cua, te cua, dieu cua
di cua » dai cua, doi cua, do cua
tu sac » tu cac, tu san, tu bac
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu sach)) ky tang lai hoi. hieu vu chao xu va danh ((di cua) OR (de cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky tang lai hoi. hieu vu chao xu va danh ((di cua) OR (de cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu sach)) ky tang lai hoi. hieu vu chao xu va danh ((di cua) OR (de cua)) te".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky tang lai hoi. hieu vu chao xu va danh ((di cua) OR (de cua)) te*.