Perhaps you should try some spelling variations:
trung phan » trung thanh, trung ha, dung phan
thong cong » trong cong, tong cong, thong thong
tung phap » tung pham, tieng phap, trong phap
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » 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: ((ho chieu) or (hoc hien)) xanh - thanh ((tung phap) OR (trung phan)) thong cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) xanh - thanh ((tung phap) OR (trung phan)) thong cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc hien)) xanh - thanh ((tung phap) OR (trung phan)) thong cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) xanh - thanh ((tung phap) OR (trung phan)) thong cong tinh toan cau*.