Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
chinh can » chinh ban, chinh cau, chinh ngan
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
chinh ca » chinh ta, chinh va, chinh tai
cong san » cong tac
than cap » khan cap, thanh cac, than cua

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 anh - hanh ((chinh can) OR (chinh ca)) dung cong san ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - hanh ((chinh can) OR (chinh ca)) dung cong san ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu anh - hanh ((chinh can) OR (chinh ca)) dung cong san ((than cap) or (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - hanh ((chinh can) OR (chinh ca)) dung cong san ((than cap) or (thanh lap))*.