Perhaps you should try some spelling variations:
canh hanh » xanh hanh, canh tranh, danh thanh
hieu van » hieu va, thien van, lieu va
suc canh » luc canh, suc manh, luoc canh
hanh tai » thanh tai, hang tai, han tai
dua tren » dung tren
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cao » van dao, van bao, van hao
cao suc » cao su, cao duc
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky lang xa hoi. hieu van cao suc canh hanh tai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky lang xa hoi. hieu van cao suc canh hanh tai ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sai ky lang xa hoi. hieu van cao suc canh hanh tai ((dua tren) or (cua te))*.