Perhaps you should try some spelling variations:
bach ty » sach ty, xach tay, bach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, thai cua
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ty nang ma hoi. hieu va cac xuc ((va hanh) or (gia thanh)) ((lai cua) OR (lai chau)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ty nang ma hoi. hieu va cac xuc ((va hanh) OR (gia thanh)) ((lai cua) OR (lai chau)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ty nang ma hoi. hieu va cac xuc ((va hanh) or (gia thanh)) ((lai cua) OR (lai chau)) viet".
• Adding a wildcard symbol may retrieve word variants: vu bach ty nang ma hoi. hieu va cac xuc ((va hanh) or (gia thanh)) ((lai cua) OR (lai chau)) viet*.