Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
hanh ve » hanh va, hanh kem
te sai » te tai, te bai, te lai
sai ky » sac ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky tang xa hoi. hieu ve cam tuc xa ((hanh ve) OR (hanh vi)) va trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky tang xa hoi. hieu ve cam tuc xa ((hanh ve) OR (hanh vi)) va trien".
• Adding a wildcard symbol may retrieve word variants: te sai ky tang xa hoi. hieu ve cam tuc xa ((hanh ve) OR (hanh vi)) va trien*.