Perhaps you should try some spelling variations:
thanh tung » thanh cong
thi thien » thi hien, thi chien, thua thien
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap
tung ap » tang ap, tung dan, tung bay
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((thi thien) or (doi chieu))) or (hoc thieu)) xanh - thanh tung ap dung cong tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((thi thien) OR (doi chieu))) OR (hoc thieu)) xanh - thanh tung ap dung cong tap toan cao.
• Adding a wildcard symbol may retrieve word variants: ((((thi thien) or (doi chieu))) or (hoc thieu)) xanh - thanh tung ap dung cong tap toan cao*.