Perhaps you should try some spelling variations:
ve triet » va trien, su triet
cham cuu » cap cuu, chat cua
cua tre » cua te, cuu tre, cua triet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
bai ky » ban ky, sai ky, bac ky
te bai » te bao, te tai, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bai ky lang xa hoi. hieu va cham cuu ((va hanh) OR (va danh)) tai ((cua tre) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky lang xa hoi. hieu va cham cuu ((va hanh) OR (va danh)) tai ((cua tre) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te bai ky lang xa hoi. hieu va cham cuu ((va hanh) OR (va danh)) tai ((cua tre) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: te bai ky lang xa hoi. hieu va cham cuu ((va hanh) OR (va danh)) tai ((cua tre) or (ve triet))*.