Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
kho trung » khoa trung, khoi truong, cho truong
trung ha » trung hoc, trung tam, trung cap
cham cuu » cap cuu, chat cua
dieu tra » dieu tri, kiem tra
thu san » thuy san, thu ban, phu san
san kho » san khoa, san cho, lan kho
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san kho trung ha noi. hieu vu cham cuu van thanh ((dieu cua) or (dieu tra)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san kho trung ha noi. hieu vu cham cuu van thanh ((dieu cua) OR (dieu tra)) tre.
• Adding a wildcard symbol may retrieve word variants: thu san kho trung ha noi. hieu vu cham cuu van thanh ((dieu cua) or (dieu tra)) tre*.