Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tinh cua » trinh cua, sinh cua, tinh chat
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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 ((trinh quan) or (tinh cua)) nhung cong ((van toan) or (van tuan)) tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh ((trinh quan) OR (tinh cua)) nhung cong ((van toan) OR (van tuan)) tai.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh ((trinh quan) or (tinh cua)) nhung cong ((van toan) or (van tuan)) tai*.