Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hoc thieu » toc thieu, hoc hien
trong qua » trong quan, thong qua, duong qua
dung cong » dung trong
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 - hanh ((trong qua) OR (trong nha)) dung cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - hanh ((trong qua) OR (trong nha)) dung cong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu khang - hanh ((trong qua) OR (trong nha)) dung cong dan ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - hanh ((trong qua) OR (trong nha)) dung cong dan ((toan cau) or (toan tap))*.