Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong san » cong tac
chan tu » phan tu, chai tu, chan ta
chon tu » con tu, cho tu, choi tu
han tu » phan tu, hanh tu, ban tu

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 trinh cua nhung cong san ((((chan tu) OR (chon tu))) or (han tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh cua nhung cong san ((((chan tu) OR (chon tu))) OR (han tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh cua nhung cong san ((((chan tu) OR (chon tu))) or (han tu))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh cua nhung cong san ((((chan tu) OR (chon tu))) or (han tu))*.