Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trinh » canh tranh, hanh chinh
tong thong » thong thong, dong thong, cong thong
thong dan » thong van, tuong dan, thong den
anh nang » ganh nang, anh bang, anh dang
cua tong » cua cong, cua dong, cua nong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chinh sach)) - ((hanh trinh) or (anh nang)) cua tong thong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - ((hanh trinh) OR (anh nang)) cua tong thong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - ((hanh trinh) or (anh nang)) cua tong thong dan than cao*.