Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
kham tuc » nham thuc, pham thuc, kham cuoc
van hanh » van thanh, ban hanh, van anh
sang ma » tang ma, nang ma, sang tao
hieu vu » hieu va, hieu su, dieu vu
hieu ve » hieu va, hieu van
tuc van » thuc van, truc van, tuc va
y sang » _ sang, duy sang
vi cua » vai cua, di cua
cua te » cua tu

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 y sang ma hoa. ((hieu vu) OR (hieu ve)) kham tuc van hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y sang ma hoa. ((hieu vu) OR (hieu ve)) kham tuc van hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach y sang ma hoa. ((hieu vu) OR (hieu ve)) kham tuc van hanh vi cua te*.