Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
binh gian » binh giang, binh giai, tinh gian
gian cham » gian cua, gian cac, gian ha
cham cong » pham cong, chat cong, cua cong
cong cong » cong dong, trong cong, dung cong
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (toc thieu)) tinh - binh gian cham cong cong thanh phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) tinh - binh gian cham cong cong thanh phan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (toc thieu)) tinh - binh gian cham cong cong thanh phan tap*.