Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
cong van » cong vang, cong san, song van
van chat » cao chat
chat cao » chat co, chat cho, chat bao
manh va » anh va, minh va, manh ba
lanh va » anh va, lanh dao, doanh 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: hoc chiet tach - lanh ((((manh va) or (lanh va))) or (hanh va)) thong cong van chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - lanh ((((manh va) OR (lanh va))) OR (hanh va)) thong cong van chat cao.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - lanh ((((manh va) or (lanh va))) or (hanh va)) thong cong van chat cao*.