Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
san khoa » toan khoa, hang khoa, da khoa
van tuan » van quan, van ban, anh tuan
cua tre » cua te, cua triet, dua tren
tuan va » toan va, luan va, quan va
xuc van » duc van, luc van, vuc van
su cham » su pham, tu cham, vu cham
san kho » san cho, lan kho, san ho
hieu su » hieu sau, tieu su, hieu so
tang ha » lang ha, tang ma, trung ha
cuu tre » cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: phu ((san kho) OR (san khoa)) tang ha noi. hieu su cham xuc van tuan va ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phu ((san kho) OR (san khoa)) tang ha noi. hieu su cham xuc van tuan va ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "phu ((san kho) OR (san khoa)) tang ha noi. hieu su cham xuc van tuan va ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: phu ((san kho) OR (san khoa)) tang ha noi. hieu su cham xuc van tuan va ((cua tre) or (cuu tre))*.