Perhaps you should try some spelling variations:
quang tuan » quang thanh, quan luan, quang cua
nhung cong » dung cong, thong cong, hang cong
tuan khoan » toan khoan, toan khoa, luan hoan
tung tuan » trung tuan, hung tuan, trang tuan
tuan hoan » tuan hoang, luan hoan, quan hoang
ho diep » hong diep, cho dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho diep tinh - thanh ((tung tuan) OR (quang tuan)) nhung cong ((tuan khoan) or (tuan hoan)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho diep tinh - thanh ((tung tuan) OR (quang tuan)) nhung cong ((tuan khoan) OR (tuan hoan)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho diep tinh - thanh ((tung tuan) OR (quang tuan)) nhung cong ((tuan khoan) or (tuan hoan)) cap".
• Adding a wildcard symbol may retrieve word variants: ho diep tinh - thanh ((tung tuan) OR (quang tuan)) nhung cong ((tuan khoan) or (tuan hoan)) cap*.