Perhaps you should try some spelling variations:
trang tuan » tran tuan, trung tuan, trong tuan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
trang qua » trong qua, trong quan, trung quan
nhung van » phung van, nhung bai, thong van
nhung cau » chung cu, nhung bai, nhu cau
tuan tap » toan tap, tuan tai, tuyen tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - hanh ((trang qua) or (trang tuan)) dong ((nhung van) OR (nhung cau)) tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh ((trang qua) OR (trang tuan)) dong ((nhung van) OR (nhung cau)) tuan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh ((trang qua) or (trang tuan)) dong ((nhung van) OR (nhung cau)) tuan tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh ((trang qua) or (trang tuan)) dong ((nhung van) OR (nhung cau)) tuan tap*.