Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua duong » cua dong, cua huong, tuan duong
qua duong » quan duong, qua dung, qua dong
cong tac » cong ty
toan cao » toan ban, toan tap

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 khang - hanh tang ((cua duong) or (qua duong)) cong tac ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - hanh tang ((cua duong) OR (qua duong)) cong tac ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - hanh tang ((cua duong) or (qua duong)) cong tac ((toan cao) or (van ban))*.