Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
thong cong » trong cong, tong cong, thong thong
khoan cam » khoa cam, khoan va, phan cam
dung cua » dung luan, dung cho
cong ban » cong bang, cong san, cong tan
khan ap » khan cap, han ap, khan dam
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho cuu tinh - thanh ((dung cua) or (truong cua)) thong cong ban ((khan ap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho cuu tinh - thanh ((dung cua) OR (truong cua)) thong cong ban ((khan ap) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: ho cuu tinh - thanh ((dung cua) or (truong cua)) thong cong ban ((khan ap) or (khoan cam))*.