Perhaps you should try some spelling variations:
anh xquang » anh quan, anh xuan
thong cong » trong cong, tong cong, thong thong
anh quang » anh quan, nhanh quang, tinh quang
hung cong » nhung cong, hung cuong, phung cong
chi sach » chinh sach, chieu sach, co sach
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - ((anh xquang) or (anh quang)) luan ((hung cong) or (thong cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((anh xquang) OR (anh quang)) luan ((hung cong) OR (thong cong)) tan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((anh xquang) or (anh quang)) luan ((hung cong) or (thong cong)) tan toan cau*.