Perhaps you should try some spelling variations:
thanh bang » thanh hang, thanh ban, thanh hoang
hoc thieu » toc thieu
dung cong » dung trong
hoc hieu » doc hieu, hoc dieu, hoc sieu
bang vat » bang va, dang vat, cang vat
vat dung » van dung, va dung, viet dung
cong anh » cong danh, dong anh, hong anh
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 hieu) or (((hoc thieu) or (hoc hien)))) cach - thanh bang vat dung cong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (((hoc thieu) OR (hoc hien)))) cach - thanh bang vat dung cong anh tuan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (((hoc thieu) or (hoc hien)))) cach - thanh bang vat dung cong anh tuan cau*.