Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao
manh va » anh va, minh va, lanh va
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - lanh ((manh va) OR (hanh va)) thong cong dan chan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - lanh ((manh va) OR (hanh va)) thong cong dan chan cao".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - lanh ((manh va) OR (hanh va)) thong cong dan chan cao*.