Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
thieu xanh » chieu xanh, hieu manh, thien danh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
hanh tinh » hanh trinh, thanh tinh, canh tinh
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap

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) OR (thien anh)) - ((hanh tinh) or (nhanh tinh)) va nhung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((hanh tinh) OR (nhanh tinh)) va nhung cong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - ((hanh tinh) or (nhanh tinh)) va nhung cong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - ((hanh tinh) or (nhanh tinh)) va nhung cong tinh toan cao*.