Perhaps you should try some spelling variations:
trinh quang » tinh quang, trinh quan, trinh dung
tranh quang » tran quang, tinh quang, trinh quan
tieu sach » chieu sach, dien sach, te sach
hung cong » nhung cong, hung cuong, phung cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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 sach - hanh ((tranh quang) OR (trinh quang)) hung cong dan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh ((tranh quang) OR (trinh quang)) hung cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh ((tranh quang) OR (trinh quang)) hung cong dan phan dau*.