Perhaps you should try some spelling variations:
mau tieng » cau tieng, dau tieng, tu tieng
dau tien » van tien
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
va danh » va dinh, va dan, va hanh
danh bi » danh di, danh gia, danh bat
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. hieu va cao tuc va danh bi ((mau tieng) or (dau tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu va cao tuc va danh bi ((mau tieng) OR (dau tien)).
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu va cao tuc va danh bi ((mau tieng) or (dau tien))*.