Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hoc thieu » toc thieu, hoc hien
qua duong » quan duong, qua dung, qua dong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 - anh tang ((cac truong) or (qua duong)) cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - anh tang ((cac truong) OR (qua duong)) cong dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - anh tang ((cac truong) or (qua duong)) cong dan ((toan cau) or (toan tap))*.