Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
thanh cac » thanh bac, thanh ca, tranh cac
cong van » cong vang, cong san, song van
than cap » khan cap, thanh lap, than cua
hanh cac » hang cac, hanh cat, nhanh cay

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 - canh tranh cua thong cong van ((than cap) or (((thanh cac) OR (hanh cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua thong cong van ((than cap) OR (((thanh cac) OR (hanh cac)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua thong cong van ((than cap) or (((thanh cac) OR (hanh cac))))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua thong cong van ((than cap) or (((thanh cac) OR (hanh cac))))*.