Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua
dung cong » dung trong
manh cua » doanh cua, ban cua
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - canh ((tranh cua) or (manh cua)) ((nhung cong) or (dung cong)) anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh ((tranh cua) OR (manh cua)) ((nhung cong) OR (dung cong)) anh tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh ((tranh cua) or (manh cua)) ((nhung cong) or (dung cong)) anh tuan cau*.