Perhaps you should try some spelling variations:
trang cham » trong cham, tranh chap, tran chau
tieu tinh » trieu tinh, tieu trinh, lieu tinh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
cong hanh » cong thanh, cong khanh, hong hanh
trang cau » trang mau, trung cau, trang va
trinh va » trinh van, trinh ve, trinh vi

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 - canh ((trinh va) OR (trinh vat)) dung cong hanh ((trang cau) or (trang cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - canh ((trinh va) OR (trinh vat)) dung cong hanh ((trang cau) OR (trang cham)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - canh ((trinh va) OR (trinh vat)) dung cong hanh ((trang cau) or (trang cham))".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - canh ((trinh va) OR (trinh vat)) dung cong hanh ((trang cau) or (trang cham))*.