Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chau tinh » cuu tinh, ha tinh, cua tinh
nang hoc » nang doc, nang luc, dong hoc
mang hoc » bang hoc, mang loc, quang hoc
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - hanh ((nang hoc) or (mang hoc)) thong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((nang hoc) OR (mang hoc)) thong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh ((nang hoc) or (mang hoc)) thong cong dan toan ban*.