Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao
han va » hanh va, nhan va, ban 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 xanh - hanh ((han va) or (hang va)) thong cong dan ((han tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((han va) OR (hang va)) thong cong dan ((han tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((han va) or (hang va)) thong cong dan ((han tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((han va) or (hang va)) thong cong dan ((han tap) OR (toan tap))*.