Perhaps you should try some spelling variations:
thanh thuc » thanh thuy, nhanh thuc, thach thuc
van thanh » ban thanh, van tuan
van danh » van doanh, van anh, van hanh
thuc van » thuc vat, thuc dan, thuc va
hieu van » hieu va, thien van, lieu va
hoa hoi » khoa hoi, hoa hoc, hoa doi
can ky » van ky, dan ky, ban ky
ho hoi » hoc hoi, hoi hoi, co hoi
di cua » doi cua, de cua, do cua
su can » su van, su cao, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su can ky nang ((ho hoi) or (hoa hoi)). hieu van thanh thuc van danh ((di cua) OR (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su can ky nang ((ho hoi) OR (hoa hoi)). hieu van thanh thuc van danh ((di cua) OR (dai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su can ky nang ((ho hoi) or (hoa hoi)). hieu van thanh thuc van danh ((di cua) OR (dai cua)) triet*".