Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hung thang » cang thang, hung tran
trinh toan » tinh toan, thanh toan, trinh han
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, lang thang
cua thong » cua thuong, cua khong, cua tong
theo tin » thao tin, theo tieu, theo tcvn
tin nang » tin dung, ki nang, thi nang
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: theo tin nang - ((((hanh hang) OR (hang hang))) or (hung thang)) cua thong cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tin nang - ((((hanh hang) OR (hang hang))) OR (hung thang)) cua thong cong trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tin nang - ((((hanh hang) OR (hang hang))) or (hung thang)) cua thong cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tin nang - ((((hanh hang) OR (hang hang))) or (hung thang)) cua thong cong trinh toan cao*.