Perhaps you should try some spelling variations:
thien anh » thien danh, tien anh, thien thanh
anh quang » anh xquang, anh quan, nhanh quang
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
hien anh » hien hanh, dien anh, tien anh
quang va » quang van, quan va, quang ma
phan tap » phan lap, han tap, pha tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien anh) OR (thien anh)) - anh quang va dung cong doan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien anh) OR (thien anh)) - anh quang va dung cong doan phan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) OR (thien anh)) - anh quang va dung cong doan phan tap*.