Perhaps you should try some spelling variations:
va trien » va truyen, va tuyen, va tieng
ky trang » ke trang, ky trong, ky tang
trang xa » trang va, trang ha, trong xa
nam thuc » nam thuoc, am thuc, nam thu
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, dam thuc
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
te lai » te tai, te bai
lai ky » sai ky, dai ky
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te lai ky trang xa hoi. hieu va ((cam tuc) or (nam thuc)) va hanh ve ((va trien) OR (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky trang xa hoi. hieu va ((cam tuc) OR (nam thuc)) va hanh ve ((va trien) OR (va thiet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te lai ky trang xa hoi. hieu va ((cam tuc) or (nam thuc)) va hanh ve ((va trien) OR (va thiet))".
• Adding a wildcard symbol may retrieve word variants: te lai ky trang xa hoi. hieu va ((cam tuc) or (nam thuc)) va hanh ve ((va trien) OR (va thiet))*.