Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trong dang » truong dang, trong dan, trong dong
hoc chieu » hoc thieu, ho chieu, hoc hien
quan dung » quang dung, quan duong, quan dong
dang toan » dang tran, dan toan, dung toan
qua dung » quang dung, su dung, qua song
toan cao » toan ban, toan tap

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 trinh ((quan dung) OR (qua dung)) trong dang toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trinh ((quan dung) OR (qua dung)) trong dang toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh ((quan dung) OR (qua dung)) trong dang toan cao*.