Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
tdung dat » trung dai, vung dat, dong dat
trinh da » trinh dan, trinh dao, trinh do
dung dat » dung va, dung tai
da dung » dan dung, dat dung, da dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - hanh trinh da dung ((tdung dat) OR (dung dat)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - hanh trinh da dung ((tdung dat) OR (dung dat)) phan tu".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - hanh trinh da dung ((tdung dat) OR (dung dat)) phan tu*.