Perhaps you should try some spelling variations:
hanh kiem » khanh kiem, hanh kem, anh kiem
kiem chua » niem chua, kiem thuat, kem chu
van hanh » van thanh, ban hanh, van anh
chua tri » chu tri, chua trieu, chua tivi
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
van hac » van hoc, van hai, van chat
luu van » cuu van, luan van, luu hanh
van ha » van hoa, van chat, van phan
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang x hoi. hieu ((van hac) or (van ha)) luu van hanh kiem chua tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang x hoi. hieu ((van hac) OR (van ha)) luu van hanh kiem chua tri.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang x hoi. hieu ((van hac) or (van ha)) luu van hanh kiem chua tri*.