Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
cong lang » cong vang, cong luong, cong quang
lang tuan » lang xuan, quang tuan, hoang tuan
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
tuan thu » toan thuc, van thu

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 tinh - hanh ((hang cua) OR (mang cua)) hang cong lang tuan thu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh ((hang cua) OR (mang cua)) hang cong lang tuan thu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((hang cua) OR (mang cua)) hang cong lang tuan thu*.