Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong dan » tuong dan, thong den, trong dan
thong van » trong van, thong va, thong quan
ho chiet » ho chieu, ho thiet, hoc thiet
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
than cao » toan cao, thai cao, than cap

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 - hanh ((tang cua) OR (mang cua)) khong ((thong dan) or (thong van)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((tang cua) OR (mang cua)) khong ((thong dan) OR (thong van)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((tang cua) OR (mang cua)) khong ((thong dan) or (thong van)) than cao".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((tang cua) OR (mang cua)) khong ((thong dan) or (thong van)) than cao*.