Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
tac dung » sach dung, xay dung, tin dung
anh dung » anh dong, anh huong, sach dung
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: hoc thieu sach - ((((tac dung) or (anh dung))) or (cach mang)) luan hung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((((tac dung) OR (anh dung))) OR (cach mang)) luan hung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((((tac dung) or (anh dung))) or (cach mang)) luan hung cong trinh toan cau*.