Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
tranh va » tranh van, trang va, trinh va
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, tuan cu
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - canh ((tranh va) or (trinh vat)) dung cong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - canh ((tranh va) OR (trinh vat)) dung cong anh tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh ((tranh va) or (trinh vat)) dung cong anh tuan cau*.