Perhaps you should try some spelling variations:
mau tieng » cau tieng, dau tieng, tu tieng
dau tien » van tien
toc sach » hoc sach, doc sach, thuoc sach
danh bi » danh di, danh gia, danh bat
va danh » va dinh, va dan, va hanh
cao tuc » dao tuc, cao duc, cao suc
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
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) OR (toc 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) OR (toc sach)) ty nang xa hoi. hieu va cao tuc va danh bi ((mau tieng) OR (dau tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc 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) OR (toc sach)) ty nang xa hoi. hieu va cao tuc va danh bi ((mau tieng) or (dau tien))*.