Perhaps you should try some spelling variations:
cong tuong » cong thuong, cong truong, cong trong
tuong tinh » truong tinh, thuong tinh, trong tinh
hoc thieu » hoc hien
manh cong » manh cuong, hanh cong, manh long
cong chuc » cong thuc, cong cu, cong cua
chuc cong » cua cong, thu cong, cac cong
tinh van » trinh van, dinh van, tinh va

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) or (toc thieu)) sang - manh cong chuc cong tuong tinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - manh cong chuc cong tuong tinh van ban*.