Perhaps you should try some spelling variations:
kho tang » cao tang
van dang » van dung, van nang, van dan
khoi cuu » khoi cua, hoi chu, hoi cua
bai kho » dai kho, tai khoa, bai choi
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
cuu tre » cua tre, cau tren, cau treo
tu bai » tu ban, tu bat, te bai
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: tu bai kho tang xa hoi. hieu ve cam luc ((van dang) OR (van dong)) khoi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai kho tang xa hoi. hieu ve cam luc ((van dang) OR (van dong)) khoi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu bai kho tang xa hoi. hieu ve cam luc ((van dang) OR (van dong)) khoi cuu tre*.