Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chat truc » cau truc, chat xuc
thien van » thi van
van chat » cao chat
sach ky » sac ky, sach y, sach ty
truc va » thuc va, thuc vat, trung va
va dinh » van dinh, va kinh, va tinh
dau cua » dai cua, day cua, dan cua
cau cua » cau qua, ca cua, cu cua
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky nang ((ma hoi) or (ma hoa)). thien van chat truc va dinh ((dau cua) OR (cau cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang ((ma hoi) OR (ma hoa)). thien van chat truc va dinh ((dau cua) OR (cau cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang ((ma hoi) or (ma hoa)). thien van chat truc va dinh ((dau cua) OR (cau cua)) tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang ((ma hoi) or (ma hoa)). thien van chat truc va dinh ((dau cua) OR (cau cua)) tre*.