Perhaps you should try some spelling variations:
chi sach » chinh sach, chieu sach, co sach
anh xuan » anh tuan, anh quan, thanh xuan
tran huu » tran duc
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan cau » quang cao, toan cau, quan ha
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 xuan ((tran huu) or (tran quang)) cong tan quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - anh xuan ((tran huu) OR (tran quang)) cong tan quan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - anh xuan ((tran huu) or (tran quang)) cong tan quan cau*.