Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc hien
nang cong » nang song, dang cong, bang cong
thanh lap » thanh san, thanh hai, thanh van
trang va » tran van, hang va
cong san » cong tac
than cua » nhan cua, thai cua, ban cua
phan lap » phan dau
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trang va nang cong san ((than cua) or (((thanh lap) OR (phan lap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trang va nang cong san ((than cua) OR (((thanh lap) OR (phan lap)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trang va nang cong san ((than cua) or (((thanh lap) OR (phan lap))))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trang va nang cong san ((than cua) or (((thanh lap) OR (phan lap))))*.