Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
theo chu » theo chieu, chao chu, theo yeu
toan cao » toan ban, toan tap
cho chu » cho thue
tang ha » tang ma, trung ha, tang van
lang ha » long ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) OR (cho chu)) sach - hanh ((tang ha) or (lang ha)) trong cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (cho chu)) sach - hanh ((tang ha) OR (lang ha)) trong cong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) OR (cho chu)) sach - hanh ((tang ha) or (lang ha)) trong cong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) OR (cho chu)) sach - hanh ((tang ha) or (lang ha)) trong cong thanh toan cao*.