Perhaps you should try some spelling variations:
thieu tach » thien hach, chieu sach, hieu cach
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
tranh va » tranh van, trang va, trinh va
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu tach) OR (chiet tach)) - hanh tranh va nhung cong dang toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu tach) OR (chiet tach)) - hanh tranh va nhung cong dang toan tap".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu tach) OR (chiet tach)) - hanh tranh va nhung cong dang toan tap*.