Perhaps you should try some spelling variations:
ngoc anh » ngu anh
qua chat » qua nhat, qua cham, luan chat
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
va trien » va truyen, va thiet, va tuyen
hoc anh » hoc nganh, hoc nhanh, hoc sinh
nang ma » tang ma, sang ma, nang cao
va hanh » va thanh, va danh, ban hanh
y nang » ky nang, ly nang, v nang
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc anh) or (ngoc anh)) y nang ma hoa. hieu qua chat xuc ((va hanh) OR (van hanh)) vi va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc anh) OR (ngoc anh)) y nang ma hoa. hieu qua chat xuc ((va hanh) OR (van hanh)) vi va trien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc anh) or (ngoc anh)) y nang ma hoa. hieu qua chat xuc ((va hanh) OR (van hanh)) vi va trien".
• Adding a wildcard symbol may retrieve word variants: ((hoc anh) or (ngoc anh)) y nang ma hoa. hieu qua chat xuc ((va hanh) OR (van hanh)) vi va trien*.