Perhaps you should try some spelling variations:
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
truong ca » truong va, trong ca, truong dai
khi xanh » khia canh, thi hanh, thi anh
cong dan » cong san, cong tan, huong dan
nhan tai » hang tai, van tai, toan tai
han tap » han tai, toan tap, nhan tao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh ((truong ca) OR (truong cao)) nhung cong dan ((han tap) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thanh ((truong ca) OR (truong cao)) nhung cong dan ((han tap) OR (nhan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khi xanh - thanh ((truong ca) OR (truong cao)) nhung cong dan ((han tap) or (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh ((truong ca) OR (truong cao)) nhung cong dan ((han tap) or (nhan tai))*.